Home / 49,966.16-74,947.46-12,526.54

Finding the Fourth Proportional to 49,966.16, 74,947.46 and 12,526.54

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Solution

The fourth proportional to 49,966.16, 74,947.46 and 12,526.54 is: 18,789.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,966.16 : 74,947.46 = 12,526.54 : x
  2. Step 2: Convert to fraction form
    49,966.16/74,947.46 = 12,526.54/x
  3. Step 3: Cross multiply
    49,966.16x = 74,947.46 × 12,526.54
  4. Step 4: Simplify right side
    49,966.16x = 938,832,105.59
  5. Step 5: Solve for x
    x = 938,832,105.59/49,966.16
  6. Step 6: Final answer
    x = 18,789.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.